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Finding the Fourth Proportional to 899,662.16, 1,349,562.83 and 300,625.40

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Solution

The fourth proportional to 899,662.16, 1,349,562.83 and 300,625.40 is: 450,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,662.16 : 1,349,562.83 = 300,625.40 : x
  2. Step 2: Convert to fraction form
    899,662.16/1,349,562.83 = 300,625.40/x
  3. Step 3: Cross multiply
    899,662.16x = 1,349,562.83 × 300,625.40
  4. Step 4: Simplify right side
    899,662.16x = 405,712,857,342.94
  5. Step 5: Solve for x
    x = 405,712,857,342.94/899,662.16
  6. Step 6: Final answer
    x = 450,961.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.